Home / 344,359.02-516,550.19-91,639.76

Finding the Fourth Proportional to 344,359.02, 516,550.19 and 91,639.76

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Solution

The fourth proportional to 344,359.02, 516,550.19 and 91,639.76 is: 137,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,359.02 : 516,550.19 = 91,639.76 : x
  2. Step 2: Convert to fraction form
    344,359.02/516,550.19 = 91,639.76/x
  3. Step 3: Cross multiply
    344,359.02x = 516,550.19 × 91,639.76
  4. Step 4: Simplify right side
    344,359.02x = 47,336,532,398.60
  5. Step 5: Solve for x
    x = 47,336,532,398.60/344,359.02
  6. Step 6: Final answer
    x = 137,462.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.